Home / 1,273,381.41-1,909,864.44-374,612.97

Finding the Fourth Proportional to 1,273,381.41, 1,909,864.44 and 374,612.97

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Solution

The fourth proportional to 1,273,381.41, 1,909,864.44 and 374,612.97 is: 561,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,381.41 : 1,909,864.44 = 374,612.97 : x
  2. Step 2: Convert to fraction form
    1,273,381.41/1,909,864.44 = 374,612.97/x
  3. Step 3: Cross multiply
    1,273,381.41x = 1,909,864.44 × 374,612.97
  4. Step 4: Simplify right side
    1,273,381.41x = 715,459,990,165.79
  5. Step 5: Solve for x
    x = 715,459,990,165.79/1,273,381.41
  6. Step 6: Final answer
    x = 561,858.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.